private void RefreshComponent(BlogPost blogPost)
        {
            if (blogPost == null) return;

            this.AuthorTextBox.Text = blogPost.Author;
            this.ContentTextBox.Text = blogPost.Content;
            this.TitleTextBox.Text = blogPost.Title;
            this.CategoryComboBox.Text = blogPost.Category.ToString();
            // some change
        }
        private void HandleSaveButtonClick(object sender, EventArgs e)
        {
            BlogPost = new BlogPost
            {
                Content = this.ContentTextBox.Text,
                Author = this.AuthorTextBox.Text,
                Title = this.TitleTextBox.Text,
                Category = (Category)Enum.Parse(typeof(Category), this.CategoryComboBox.Text)
            };

            OnSaveBlogPost();
        }